Award shows are long and don't always have food, so many stars like to sneak in protein bars or snacks.

After Ellen DeGeneres' pizza delivery stunt in 2014, many award show hosts have realized they get great reactions from celebrities chowing down during the awards.

Some stars like Melissa McCarthy will bring in food not just for themselves, but for other stars to snack on.

Dressed head to toe in black tie formal wear doesn't stop your stomach grumbling. Although sometimes they're given free food during the ceremony, plenty of celebrities will also bring in their own snacks to award shows to help tide them over until the afterparty or when they can head back home.

Here are all the times we know of when celebrities have brought in food to some of the most sought-after award shows in the world.

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Ellen DeGeneres fed pizza to Hollywood's elite at the 2014 Oscars.

Meryl Streep grabbed a slice.
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Host Ellen Degeneres provided 2014 Oscar nominees with Big Mama's & Papa's pizza live on-camera during the ceremony. The pizza delivery boy and co-owner of the pizzeria, Edgar, revealed on The Ellen Show that he thought the pizza was for the writers and had no idea he would be on camera, aiding Ellen DeGeneres in handing out slices to Meryl Streep, Brad Pitt, Kerry Washington, Harrison Ford, Julia Roberts, and more.

Taraji P. Henson celebrated her Golden Globe Award for her role as Cookie Lyons by giving out cookies.

Henson passed cookies to people that were on her way to the stage.
Frazer Harrison/Getty Images

The star of "Empire," Henson shouted out "Cookies for everyone tonight. My treat!" as she accepted her Golden Globe for best actress in a drama series. When she heard her name, she grabbed the cookies she'd brought and started handing them out to everyone around her.

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Chris Rock sold Girl Scout Cookies for his daughter at the 2016 Oscars.

Rock had his daughter and her Girl Scout troop sell cookies to the audience.
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Kiernan Shipka is no stranger to smuggling in snacks.

She said it's best to bring a snack that won't get stuck in your teeth.
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"Mad Men" and "The Chilling Adventures of Sabrina" actress Kiernan Shipka told InStyle that she's not above sneaking in snacks to the Emmy Awards.

When asked about her dream snacks to bring in, she said "I feel like you want something that's not going to get in your teeth, so you can't do seaweed or anything that gets on your hands… Honestly, I feel like a good beverage to power me through would be great ... juice or an almond milk concoction ... and a good protein bar that's like satisfying and will hold you over."

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Jared Leto said he brings snacks and shares them.

He said award shows can last for hours.
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Jared Leto told AP that award shows can last for hours and he likes to eat healthily, so he brings little snacks to the shows.

He said, in the past, he was teased for bringing snacks to the Golden Globes but by the end of the night, "Reese Witherspoon, Jennifer Garner, Matthew [McConaughey], everyone is reaching into my [snack] bag!"